package com.atguigu06.package_import;

import java.util.*;

/**
 * ClassName: PackageImportTest
 * Package: com.atguigu06.package_import
 * Description:
 *
 * @Author 姜
 * @Create 2023/11/20 15:02
 * @Version 1.0
 */
public class PackageImportTest {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List list = new ArrayList();

        HashMap map = new HashMap();

        HashSet set = new HashSet();
    }
}
